Three Ways to Improve the Performance of Real-Life Camera-Based Fall Detection Systems

Table 6

Causes of false positives when using online training with five additional days.

Error cause	Person C	Person D
Walk under camera	24%	35%
Other moving objects	25%	14%
Other persons	18%	14%
Legs occluded	16%	21%
Illumination change	4%	0%
Ghost formation	7%	3%
Others	6%	13%